12 results
Adult Onset Still's Disease - Yamaguchi Criteria
Major criteria:
 - Fever >= 39C lasting >= 1 weeks
Adult Onset Still's ... criteria: - Fever ... polyarteritis nodosa #AdultOnset ... #Stills #Disease ... Yamaguchi #Criteria #Diagnosis
Adult-Onset Still's Disease
Clinical triad: Fever, Arthralgia/arthritis, Skin rash ± odynophagia
+ Biological inflammation: Increased neutrophils, Hyperferritinemia, decreased
triad: Fever, Arthralgia ... arthritis, Skin rash ... Prunelle Getten #AdultOnset ... #Stills #Disease ... #diagnosis #management
Adult-Onset Still's Disease (AOSD)
Rare inflammatory disorder of unknown etiology, difficult to diagnose because of heterogenous presentation.
Disease (AOSD) ... maculopapular rash ... BrighamChiefs #AdultOnset ... #Stills #Disease ... #diagnosis #management
Erythematous Rashes - THE ALGORITHMIC APPROACH

Characterized by diffuse redness of the skin due to
capillary congestion, erythematous
Erythematous Rashes - THE ALGORITHMIC ... includes Kawasaki disease ... erythematous rash ... #Diagnosis #Dermatology ... #Erythematous #Rash
Adult Onset Still's Disease
Systemic inflammation with urticarial rash.
Rash: 
 • Nonpruritic, evanescent (correlates with time of
Adult Onset Still's ... Disease Systemic ... #Adult #onset #Stills ... #diagnosis #rheumatology ... #management
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
69% - Malar rash ... 40% - Fever 36% ... - Neurological 12% ... Multiple sclerosis, Still's ... autoantibodies #signs
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
Figure 4, page 12 ... in vasculitic diseases ... petechiae/purpura with fever ... #Diagnosis #Dermatology ... Purpural #Purpuric #Rash
Oroya Fever
Hematologic disease caused by Bartonella bacilliformis
Restricted to the Andes highlands of Peru & Ecuador
B. bacilliformis:
Oroya Fever Hematologic ... disease caused ... Incubation period: 3-12 ... , malaise, chills ... #diagnosis #management
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
• Adult-onset Still ... • Periodic fever ... Petechial or purpuric rash ... Activation #Syndrome #Diagnosis ... #Management #Hematology
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
fires, heating pads ... early localized disease ... acute Parvovirus B19 ... #differential #diagnosis ... #dermatology #compared